On Wed, Mar 12, 2014 at 03:53:37PM +0000, Michael Grzeschik wrote:
> This patch introduces the psdev driver. It is used to communicate to an
> Altera passive serial connected FPGA by writing into an character
> device.
>
> It simply initates the protocol on open and clocks the data into the
> FPGA by using the underlying SPI bus on write. The used SPI bus can also
> be an bitbang SPI bus. On close it will check for the response of the
> FPGA and tells if the write process was successful.
>
> Signed-off-by: Michael Grzeschik <[email protected]>
> ---
> drivers/spi/Kconfig | 9 +
> drivers/spi/Makefile | 1 +
> drivers/spi/spipsdev.c | 520
> +++++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 530 insertions(+)
> create mode 100644 drivers/spi/spipsdev.c
[...]
> +static const struct of_device_id psdev_dt_ids[] = {
> + { .compatible = "altr,passive-serial" },
> + {},
> +};
There should be a binding document for this as part of the series.
Thanks,
Mark.
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